Doctors at the Cook County Trauma Center in Chicago treat a 22-year-old man who was shot in the lower chest area.
Violent crime in America has fallen for six straight years, with homicides last year down nearly 6 percent. But in Chicago, there have been 275 homicides this year, most of them gang-related. The nation's third-largest city had 17 shootings this past weekend alone.
In the first six months of this year, Chicago had 22 percent more murders that New York - a city with 5.5 million more people.